12518626161 has 16 divisors (see below), whose sum is σ = 16833096000. Its totient is φ = 8275222848.

The previous prime is 12518626123. The next prime is 12518626193. The reversal of 12518626161 is 16162681521.

12518626161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12518626161 - 2⁹ = 12518625649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12518626661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154015 + ... + 220811.

It is an arithmetic number, because the mean of its divisors is an integer number (1052068500).

Almost surely, 2^12518626161 is an apocalyptic number.

It is an amenable number.

12518626161 is a deficient number, since it is larger than the sum of its proper divisors (4314469839).

12518626161 is a wasteful number, since it uses less digits than its factorization.

12518626161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67328.

The product of its digits is 34560, while the sum is 39.

The spelling of 12518626161 in words is "twelve billion, five hundred eighteen million, six hundred twenty-six thousand, one hundred sixty-one".